SPECIFICATIONS

Applicable Battery Type: Coin Batteries

Batteries: 1 CR5 batteries required. (included)

Battery Included: Yes

Brand Name: NONE

Calculator Type: Engineering/Scientific/College/High School

Certification: CE

Choice: yes

High-concerned chemical: None

Item Weight: 9.9 ounces

Material: Plastic

Max. Digits: 16

Model Number: AB0607-ES

Origin: Mainland China

Power Source: SOLAR,Battery Powered

Product Dimensions: 6.32 x 3.28 x 0.1 inches

Screen Size: 6.5 Inches

Style: Scientific

semi_Choice: yes

Scientific Calculators for Students 991ES Office Calculators Desktop, ROATEE 4-Line Display Calculator with Erasable LCD Writing Tablet, Solar Battery Power with Notepad Calculator for School

About this item:

• 991ES Multifunctional Scientific Calculators: ROATEE business calculator features 417 functions, deal For: General math and science, Pre-Algebra, Algebra 1 and 2, Geometry, Statistics and regressioncal culations, Calculus, fractions, decimals, Calculations involving specificnumber systems (BASE-N, binary,octal, decimal,hexadecimal), Complex number calculations, EQN, Matrix calculations, TABLE, VECTOR, SOLVE, Biology, Chemistry so on and it has memory function calculation more user-friendly

• Scientific Calculators with Notepad: This scientific calculators for school and business intergrates calculation and notebook with a stylus pen. The lcd writing tablet enables you to take notes during the calculation, which do great help for study and work. 👉NOTE!Only Unlock the LOCK KEY will the writing area and the erase button work

• Multiview: display shows 4 calculations at the same time on screen, greatly improves computational efficiency

• Dual Power Solar Panel & Coin Battery: The replaceble coin battery is built in this scientific calculators. It is also powered by solar energy so you don't need to worry about battery depletion

• Anti-Drop Body with High Durability and Portable: The body of this scientific calculators undergoes rigorous quality tests. Due to the design of anti-drop body, no need to worry about the damage by accidentally falling and it has only weighs 5 ounces can be easily put in your pocket, which is convenient for business and it is a popular back to school supplies at the beginning of the school year

• What Will You Get?: 991ES scientific calculators*1,instructions*1,exquisite packing box*1,packing case*1.

Q: How to take the pen out?

A: The pen is built in the left lower corner of the calculator,you can slide it out.Please NOTE：It might be a little tight to take it out at the first time.

Q: How to clear up the writing tablet?

A: Turn the button to the unlocked position, so you can erase the notes on the screen by pressing the clear button.

Q: How do you change the setting from fractions to obtain a decimal answer?

A: You can change the results through the key 'S⇔D'; Or you can configure calculator setting: 1. Press the button 'SHIFT'. 2. Press the button 'MODE'. 3. Choose 1 or 2 to set the mode of fraction or decimal. MthIO for fraction, LineIO for decimal.